classes.hpp

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#ifndef CLASSES_H
#define CLASSES_H
 
#include <SDL3/SDL_video.h>
#include <SDL3/SDL_init.h>
#include <SDL3/SDL_render.h>
#include <SDL3_ttf/SDL_ttf.h>
 
#include <cstdint>
#include <map>
#include <utility>
 

enum PixelType : uint8_t {
   SAND
  ,WATER
};
 

struct Vector2 {
  int x; 
  int y; 

  bool operator!=(Vector2 v) {
    if ((x != v.x) || (y != v.y)) {
      return true;
    }
    else {
      return false;
    }
  };
};
 

struct Pixel {
  SDL_Color color; 
  PixelType type; 
};
 

typedef std::map<std::pair<int, int>, Pixel> PixelMap;

class World {
  static World* instance; 
  SDL_Window* window; 
  SDL_Renderer* renderer; 
  TTF_TextEngine* text_renderer; 
  SDL_Texture* texture; 
  TTF_Font* font; 
  Vector2 window_size; 
  PixelMap pixel_map; 
  SDL_Color bg_color; 

  World();

  bool checkIfCanMove(Vector2 pos, PixelMap *new_pixel_map);

  void recalcWorld();

  void addPixel();
 
public:
  bool mouse_is_down = false; 
  PixelType selected_pixel_type; 
 
  ~World();
  
  World(const World& obj) = delete;

  static World* getIstance() {
    if (instance == nullptr) {
      instance = new World();
    }
    return instance;
  }

  void clearWorld();

  SDL_AppResult initWorld();

  SDL_AppResult redrawWorld();
};
 
#endif // CLASSES_H